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Definition
By Mayo Clinic staffPremature ventricular contractions (PVCs) are extra, abnormal heartbeats that begin in one of your heart's two lower pumping chambers (ventricles). These extra beats disrupt your regular heart rhythm, sometimes causing you to feel a flip-flop or skipped beat in your chest. Premature ventricular contractions are very common — they occur in most people at some point.
Premature ventricular contractions are also called:
- Premature ventricular complexes
- PVCs
- Ventricular premature beats
- Ectopic heartbeats
- Extrasystoles
If you have occasional extra beats, but you are an otherwise healthy person, there's generally no reason for concern, and no treatment is needed. If you have frequent symptoms or you have underlying heart disease, you may need treatment to help you feel better and treat underlying heart problems.
- Yealy DM, et al. Dysrhythmias. In: Marx JA, et al, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice. 6th ed. St. Louis, Mo.: Mosby; 2006. http://www.mdconsult.com/das/book/body/130129214-4/826148372/1365/221.html#4-u1.0-B0-323-02845-4..50083-4_3679. Accessed April 2, 2009.
- Arrhythmias. In: Libby P, et al, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 8th ed. Philadelphia, Pa.: Saunders Elsevier; 2007. http://www.mdconsult.com/book/player/book.do?method=display&type=bookPage&decorator=header&eid=4-u1.0-B978-1-4160-4106-1..50054-6--cesec188&displayedEid=4-u1.0-B978-1-4160-4106-1..50054-6--cesec196&uniq=130129214&isbn=978-1-4160-4106-1&sid=826147556. Accessed April 2, 2009.
- Podrid PJ. Clinical significance and treatment of ventricular premature beats. http://www.uptodate.com/home/index.html. Accessed April 2, 2009.
- Arrhythmia. National Heart, Lung, and Blood Institute. http://www.nhlbi.nih.gov/health/dci/Diseases/arr/arr_whatis.html. Accessed April 2, 2009.
- Martin DT. Arrhythmias. In: Noble J, et al. Noble: Textbook of Primary Care Medicine. 3rd ed. St. Louis, Mo.: Mosby; 2001. http://www.mdconsult.com/das/book/body/130129214-5/826149799/959/391.html#4-u1.0-B0-323-00828-3..50066-2_1733. Accessed April 2, 2009.
